Mercedes Benz R320 reversing image is not good, how to get back is, the stereo is always ringing

You may be affected by the sensor failure of the vehicle reversing, or it is caused by a problem with the wiring, you can go to repair it.

Mercedes-Benz R320 car reversing image is not easy to use, it should be caused by damage to the line or back probe, and the audio can be turned off or turned on by pressing and holding the volume button.

Based on your description, it's clear that this situation is caused by a short circuit in the circuit. Check the relevant connection lines.

Hello, this situation may be caused by a short circuit in the line, you can check the connection problem of the next line, whether there is a fault.

Hello, this is generally a problem with the reversing signal line, you can disassemble it and check it, the original car will automatically cut off the audio.

Hello, in this case, it is recommended to focus on checking the reversing switch. and whether there is a short circuit or connection of the connecting line.

Hello, this situation is generally the line has a connection, go to the store to check the line.

This should be caused by the poor contact of the reverse gear switch, go to 4S to see it, this is a warranty for a new car.

If the audio can't be turned off automatically when reversing, it should be a problem in the settings that can be solved through the settings.

It may be caused by a line failure, and it is necessary to check whether the line has a phenomenon such as iron lapping and short circuiting, and troubleshoot it in time.

Line The reversing probe is blocked.

This is mainly caused by poor contact of some keys or short circuits in the fatigue contacts of spring blades. For the repair of metal spring plate failure, the rusted part can be gently scraped off with a blade, and then wiped clean with anhydrous alcohol.

Do you mean the horn doesn't work, or does the comand not work?

It was the sound of a gasoline pump inside the tank. When the key is opened, it runs and makes a buzzing sound, and if the driver doesn't start the car for a while, it stops working. Completely normal.

As soon as it starts, there is a high-speed sound, and it is good to come down. You see if your tachometer and sound are in sync.

Enter the settings page to select, but the space function of the selection is very small, and it is affected by the host.

One; The clutch sounds.

1) Fault phenomenon.

When the engine is idling, after stepping on the clutch pedal, the clutch will make an abnormal noise, relax the pedal, and the abnormal noise will disappear. Sometimes there is a strange sound when you step down or relax the pedal! ~

2) Judgment and Exclusion.

1) When the engine is running at idle speed, the clutch is issued"Rustle"The clutch pedal is hooked up with your foot, and the abnormal sound disappears. The pedal return spring is too soft, repair or replace! ~

2) If the free stroke of the pedal is normal, but when the engine speed and vehicle speed change, the clutch will make an intermittent impact and friction sound, usually because the clutch sleeve return spring is too soft, broken or falling off.

Two; The propeller shaft supports the bearing ring.

a) Characteristics of occurrence.

When the car is moving, it emits an intermittent one"Whine"(like the sound of the wind) or"Buzz"The faster the speed, the louder the noise, the more obvious the neutral gliding sound, and at the same time there is a feeling of vibration!

2) Causes of occurrence.

The reason is that the intermediate bearing is worn, poor lubrication, and improper assembly caused by bearing damage. If the bearing is worn loosely, the damage should be replaced, and the oil seal and rubber parts should be replaced!

2) If the bearing is not loose, support the rear wheel and twist the transmission shaft by hand for inspection. If the resistance is very large, it may be that the bearing is skewed, and the fixing screws at the rubber gasket ring of the bearing frame should be loosened, the bearing position should be adjusted, and the grease should be added!

Three, the drive axle is squeaky.

1) The gap between the final reduction gears is too loud.

1) Ring characteristics, when the car starts, shifts gears while driving, or steps down the accelerator pedal, the drive axle part is felt"Gurgle, grunt"Ringing, when the speed of the vehicle is relatively stable (constant speed exercise), it is generally not sound.

2) Cause of occurrence:

1) Improper adjustment during maintenance:

2) The tooth surface of the gear is seriously worn, resulting in too large a gap between the gears

3) The bearing is worn loosely, damaged or the fastening nut is loose

4) The amount of lubricating oil in the drive axle is insufficient

3) processing methods; Identify the cause in time and fix it.

2) Abnormal noise of the differential.

1) Sound characteristics: When the car turns or jumps due to bumps, there is an abnormal sound at the final reducer. The car does not sound when it goes straight.

2) Solution: When it is judged to be an abnormal noise of the differential, stop immediately to find out the cause and repair it!

The Iron General reversing radar is the best. General Tie started as a car burglar preventer.

If you want to buy a reversing radar, it is not recommended that you go to a 4S store to buy it. The same thing is much more expensive in the 4S store than in other places. You can go to your local car detailing shop or car repair shop to buy it.

You can also choose to buy it online. Things on the Internet are relatively much cheaper, and online shopping should also pay attention to anti-fraud, my online shopping experience is to choose the popular Zheng hot selling goods. In addition, the buyer's evaluation of the product is also the first important reference factor for Yiqing.

Step 1: Check whether the connection is connected;

Step 2: Check whether the computer driver is normal; Step 3: Check whether the volume of the computer is set to the sound position;

Step 3: Check whether the volume adjustment on the speaker is adjusted well (the audio switch should also be checked) If the above are checked and can not make a sound, it is recommended to change the speaker.

The volume potentiometer of the stereo is not in good contact, and the potentiometer needs to be replaced.

What's not a good way, explain it clearly.

Hello, you can check whether the fuse of the central control screen is blown.

Hope it helps!